[Ffmpeg-devel] [RFC] smallcpy for h264

Luca Barbato lu_zero
Sat Oct 7 13:25:59 CEST 2006

Michael Niedermayer wrote:
> Hi
> gcc on x86 replaces memcpy(constant) by inlined and fast code IIRC so
> anything like the proposed patch needs to be very carefully benchmarked
> on x86

that's why I'm posting it
> additionally due to call overhead compared to inlined double/uint64_t based
> copy most of this cannot be faster even if the functions could do the copy
> in 0 cpu cycles

so do you think macros are better?



Luca Barbato

Gentoo/linux Gentoo/PPC

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